Naomi Watts as Ellie Parker

Scott Coffey as Chris

Jennifer Syme as Casting Chick

Mark Pellegrino as Justin

Greg Freitas as Rick Saul

Gaye Pope as Leslie Towne

Blair Mastbaum as Smash Jackson

Rebecca Rigg as Sam

Chevy Chase as Dennis Swartzbaum

Kim Fay as Therapist

Todd Coffey as Upstairs Neighbor

David Baer as Acting Teacher

Marcel Sarmiento as Acting Student

Robbi Chong as Acting Student

Whitfield Crane as Acting Student

Brian McCardie as Acting Student

Keanu Reeves as Self (Member of the group Dogstar)

Robert Mailhouse as Self (Member of the group Dogstar)

Bret Domrose as Self (Member of the group Dogstar)

Debbie Leavit as Vicodin Girl

Victoria Smirnova as Russian